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Finding the Fourth Proportional to 228,060.76, 314,710.29 and 126,080.11

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Solution

The fourth proportional to 228,060.76, 314,710.29 and 126,080.11 is: 173,983.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,060.76 : 314,710.29 = 126,080.11 : x
  2. Step 2: Convert to fraction form
    228,060.76/314,710.29 = 126,080.11/x
  3. Step 3: Cross multiply
    228,060.76x = 314,710.29 × 126,080.11
  4. Step 4: Simplify right side
    228,060.76x = 39,678,707,981.33
  5. Step 5: Solve for x
    x = 39,678,707,981.33/228,060.76
  6. Step 6: Final answer
    x = 173,983.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.